BS ISO 104:2015 pdf download – Rolling bearings — Thrust bearings — Boundary dimensions, general plan 1 Scope This International Standard specifies preferred boundary dimensions for single-direction and doubledirection thrust bearings with flat back faces. In addition, it gives the minimum bore diameters of housing washers and maximum outside diameters of shaft washers of bearings in dimension series 11, 12, 13, 14, 22, 23 and 24. Guidelines for the extension of this International Standard for single-direction thrust bearings are given in Annex A. NOTE Boundary dimensions for aligning thrust bearings (none flat back faces) and aligning seat washers are given in ISO 20516. [2] 2 Normative references The following documents, in whole or in part, are normatively referenced in this document and are indispensable for its application. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies. ISO 582, Rolling bearings — Chamfer dimensions — Maximum values ISO 5593, Rolling bearings — Vocabulary ISO 15241, Rolling bearings — Symbols for physical quantities 3 Terms and definitions For the purposes of this document, the terms and definitions given in ISO 5593 and the following apply. 3.1 single-direction thrust bearing with flat back faces thrust rolling bearing with flat back faces intended to support axial load in one direction only 3.2 double-direction thrust bearing with flat back faces thrust rolling bearing with flat back faces intended to support axial load in both directions 3.3 central shaft washer central washer which is intended to be mounted on a shaft [SOURCE: ISO 20516:2007, 3.5] 4 Symbols For the purposes of this International Standard, the symbols given in ISO 15241 and the following apply. The symbols shown in Figures 1 and 2 and the values given in Tables 1 to 9 denote nominal dimensions,unless specified otherwise. B height of central shaft washer D outside diameter of housing washer D 1 bore diameter of housing washer D 1s min smallest single bore diameter of housing washer d bore diameter of shaft washer, single-direction thrust bearing with flat back faces d 1 outside diameter of shaft washer, single-direction thrust bearing with flat back faces d 1s max largest single outside diameter of shaft washer d 2 bore diameter of central shaft washer, double-direction thrust bearing with flat back faces d 3 outside diameter of central shaft washer, double-direction thrust bearing with flat back faces d...
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